From: Pavel Machek <pavel@ucw.cz>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
robh+dt@kernel.org, andrew@lunn.ch,
linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org,
jianxin.pan@amlogic.com, davem@davemloft.net,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 1/8] dt-bindings: net: meson-dwmac: Add the amlogic,rx-delay-ns property
Date: Mon, 25 May 2020 11:07:18 +0200 [thread overview]
Message-ID: <20200525090718.GB16796@amd> (raw)
In-Reply-To: <d3f596d7-fb7f-5da7-4406-b5c0e9e9dc3f@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 2505 bytes --]
Hi!
> > On Tue 2020-05-12 23:10:56, Martin Blumenstingl wrote:
> >> The PRG_ETHERNET registers on Meson8b and newer SoCs can add an RX
> >> delay. Add a property with the known supported values so it can be
> >> configured according to the board layout.
> >>
> >> Reviewed-by: Andrew Lunn <andrew@lunn.ch>
> >> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> >> ---
> >> .../bindings/net/amlogic,meson-dwmac.yaml | 13 +++++++++++++
> >> 1 file changed, 13 insertions(+)
> >>
> >> diff --git a/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml b/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
> >> index ae91aa9d8616..66074314e57a 100644
> >> --- a/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
> >> +++ b/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
> >> @@ -67,6 +67,19 @@ allOf:
> >> PHY and MAC are adding a delay).
> >> Any configuration is ignored when the phy-mode is set to "rmii".
> >>
> >> + amlogic,rx-delay-ns:
> >> + enum:
> >
> > Is it likely other MACs will need rx-delay property, too? Should we get rid of the amlogic,
> > prefix?
>
> Yes, there are several MAC bindings that already define a delay property:
>
> Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml:
> allwinner,rx-delay-ps:
> Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml:
> allwinner,rx-delay-ps:
> Documentation/devicetree/bindings/net/apm-xgene-enet.txt:- rx-delay:
> Delay value for RGMII bridge RX clock.
> Documentation/devicetree/bindings/net/apm-xgene-enet.txt: rx-delay
> = <2>;
> Documentation/devicetree/bindings/net/cavium-pip.txt:- rx-delay: Delay
> value for RGMII receive clock. Optional. Disabled if 0.
> Documentation/devicetree/bindings/net/mediatek-dwmac.txt:-
> mediatek,rx-delay-ps: RX clock delay macro value. Default is 0.
> Documentation/devicetree/bindings/net/mediatek-dwmac.txt:
> mediatek,rx-delay-ps = <1530>;
>
> standardizing on rx-delay-ps and tx-delay-ps would make sense since that
> is the lowest resolution and the property would be correctly named with
> an unit in the name.
Seems like similar patch is already being reviewed from Dan Murphy (?)
from TI.
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: andrew@lunn.ch, jianxin.pan@amlogic.com,
devicetree@vger.kernel.org,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
robh+dt@kernel.org, linux-amlogic@lists.infradead.org,
davem@davemloft.net, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 1/8] dt-bindings: net: meson-dwmac: Add the amlogic,rx-delay-ns property
Date: Mon, 25 May 2020 11:07:18 +0200 [thread overview]
Message-ID: <20200525090718.GB16796@amd> (raw)
In-Reply-To: <d3f596d7-fb7f-5da7-4406-b5c0e9e9dc3f@gmail.com>
[-- Attachment #1.1: Type: text/plain, Size: 2505 bytes --]
Hi!
> > On Tue 2020-05-12 23:10:56, Martin Blumenstingl wrote:
> >> The PRG_ETHERNET registers on Meson8b and newer SoCs can add an RX
> >> delay. Add a property with the known supported values so it can be
> >> configured according to the board layout.
> >>
> >> Reviewed-by: Andrew Lunn <andrew@lunn.ch>
> >> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> >> ---
> >> .../bindings/net/amlogic,meson-dwmac.yaml | 13 +++++++++++++
> >> 1 file changed, 13 insertions(+)
> >>
> >> diff --git a/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml b/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
> >> index ae91aa9d8616..66074314e57a 100644
> >> --- a/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
> >> +++ b/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
> >> @@ -67,6 +67,19 @@ allOf:
> >> PHY and MAC are adding a delay).
> >> Any configuration is ignored when the phy-mode is set to "rmii".
> >>
> >> + amlogic,rx-delay-ns:
> >> + enum:
> >
> > Is it likely other MACs will need rx-delay property, too? Should we get rid of the amlogic,
> > prefix?
>
> Yes, there are several MAC bindings that already define a delay property:
>
> Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml:
> allwinner,rx-delay-ps:
> Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml:
> allwinner,rx-delay-ps:
> Documentation/devicetree/bindings/net/apm-xgene-enet.txt:- rx-delay:
> Delay value for RGMII bridge RX clock.
> Documentation/devicetree/bindings/net/apm-xgene-enet.txt: rx-delay
> = <2>;
> Documentation/devicetree/bindings/net/cavium-pip.txt:- rx-delay: Delay
> value for RGMII receive clock. Optional. Disabled if 0.
> Documentation/devicetree/bindings/net/mediatek-dwmac.txt:-
> mediatek,rx-delay-ps: RX clock delay macro value. Default is 0.
> Documentation/devicetree/bindings/net/mediatek-dwmac.txt:
> mediatek,rx-delay-ps = <1530>;
>
> standardizing on rx-delay-ps and tx-delay-ps would make sense since that
> is the lowest resolution and the property would be correctly named with
> an unit in the name.
Seems like similar patch is already being reviewed from Dan Murphy (?)
from TI.
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: andrew@lunn.ch, jianxin.pan@amlogic.com,
devicetree@vger.kernel.org,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
robh+dt@kernel.org, linux-amlogic@lists.infradead.org,
davem@davemloft.net, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 1/8] dt-bindings: net: meson-dwmac: Add the amlogic,rx-delay-ns property
Date: Mon, 25 May 2020 11:07:18 +0200 [thread overview]
Message-ID: <20200525090718.GB16796@amd> (raw)
In-Reply-To: <d3f596d7-fb7f-5da7-4406-b5c0e9e9dc3f@gmail.com>
[-- Attachment #1.1: Type: text/plain, Size: 2505 bytes --]
Hi!
> > On Tue 2020-05-12 23:10:56, Martin Blumenstingl wrote:
> >> The PRG_ETHERNET registers on Meson8b and newer SoCs can add an RX
> >> delay. Add a property with the known supported values so it can be
> >> configured according to the board layout.
> >>
> >> Reviewed-by: Andrew Lunn <andrew@lunn.ch>
> >> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> >> ---
> >> .../bindings/net/amlogic,meson-dwmac.yaml | 13 +++++++++++++
> >> 1 file changed, 13 insertions(+)
> >>
> >> diff --git a/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml b/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
> >> index ae91aa9d8616..66074314e57a 100644
> >> --- a/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
> >> +++ b/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
> >> @@ -67,6 +67,19 @@ allOf:
> >> PHY and MAC are adding a delay).
> >> Any configuration is ignored when the phy-mode is set to "rmii".
> >>
> >> + amlogic,rx-delay-ns:
> >> + enum:
> >
> > Is it likely other MACs will need rx-delay property, too? Should we get rid of the amlogic,
> > prefix?
>
> Yes, there are several MAC bindings that already define a delay property:
>
> Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml:
> allwinner,rx-delay-ps:
> Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml:
> allwinner,rx-delay-ps:
> Documentation/devicetree/bindings/net/apm-xgene-enet.txt:- rx-delay:
> Delay value for RGMII bridge RX clock.
> Documentation/devicetree/bindings/net/apm-xgene-enet.txt: rx-delay
> = <2>;
> Documentation/devicetree/bindings/net/cavium-pip.txt:- rx-delay: Delay
> value for RGMII receive clock. Optional. Disabled if 0.
> Documentation/devicetree/bindings/net/mediatek-dwmac.txt:-
> mediatek,rx-delay-ps: RX clock delay macro value. Default is 0.
> Documentation/devicetree/bindings/net/mediatek-dwmac.txt:
> mediatek,rx-delay-ps = <1530>;
>
> standardizing on rx-delay-ps and tx-delay-ps would make sense since that
> is the lowest resolution and the property would be correctly named with
> an unit in the name.
Seems like similar patch is already being reviewed from Dan Murphy (?)
from TI.
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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[-- Attachment #2: Type: text/plain, Size: 167 bytes --]
_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic
next prev parent reply other threads:[~2020-05-25 9:07 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-12 21:10 [PATCH v3 0/8] dwmac-meson8b Ethernet RX delay configuration Martin Blumenstingl
2020-05-12 21:10 ` Martin Blumenstingl
2020-05-12 21:10 ` Martin Blumenstingl
2020-05-12 21:10 ` [PATCH v3 1/8] dt-bindings: net: meson-dwmac: Add the amlogic,rx-delay-ns property Martin Blumenstingl
2020-05-12 21:10 ` [PATCH v3 1/8] dt-bindings: net: meson-dwmac: Add the amlogic, rx-delay-ns property Martin Blumenstingl
2020-05-12 21:10 ` Martin Blumenstingl
2020-05-24 21:28 ` [PATCH v3 1/8] dt-bindings: net: meson-dwmac: Add the amlogic,rx-delay-ns property Pavel Machek
2020-05-24 21:28 ` Pavel Machek
2020-05-24 21:28 ` Pavel Machek
2020-05-24 22:05 ` Florian Fainelli
2020-05-24 22:05 ` Florian Fainelli
2020-05-24 22:05 ` Florian Fainelli
2020-05-25 9:07 ` Pavel Machek [this message]
2020-05-25 9:07 ` Pavel Machek
2020-05-25 9:07 ` Pavel Machek
2020-05-25 13:57 ` Andrew Lunn
2020-05-25 13:57 ` Andrew Lunn
2020-05-25 13:57 ` Andrew Lunn
2020-05-25 20:17 ` Pavel Machek
2020-05-25 20:17 ` Pavel Machek
2020-05-25 20:17 ` Pavel Machek
2020-05-12 21:10 ` [PATCH v3 2/8] dt-bindings: net: dwmac-meson: Document the "timing-adjustment" clock Martin Blumenstingl
2020-05-12 21:10 ` Martin Blumenstingl
2020-05-12 21:10 ` Martin Blumenstingl
2020-05-12 21:10 ` [PATCH v3 3/8] net: stmmac: dwmac-meson8b: use FIELD_PREP instead of open-coding it Martin Blumenstingl
2020-05-12 21:10 ` Martin Blumenstingl
2020-05-12 21:10 ` Martin Blumenstingl
2020-05-12 21:10 ` [PATCH v3 4/8] net: stmmac: dwmac-meson8b: Move the documentation for the TX delay Martin Blumenstingl
2020-05-12 21:10 ` Martin Blumenstingl
2020-05-12 21:10 ` Martin Blumenstingl
2020-05-12 21:11 ` [PATCH v3 5/8] net: stmmac: dwmac-meson8b: Add the PRG_ETH0_ADJ_* bits Martin Blumenstingl
2020-05-12 21:11 ` Martin Blumenstingl
2020-05-12 21:11 ` Martin Blumenstingl
2020-05-12 21:11 ` [PATCH v3 6/8] net: stmmac: dwmac-meson8b: Fetch the "timing-adjustment" clock Martin Blumenstingl
2020-05-12 21:11 ` Martin Blumenstingl
2020-05-12 21:11 ` Martin Blumenstingl
2020-05-12 21:11 ` [PATCH v3 7/8] net: stmmac: dwmac-meson8b: Make the clock enabling code re-usable Martin Blumenstingl
2020-05-12 21:11 ` Martin Blumenstingl
2020-05-12 21:11 ` Martin Blumenstingl
2020-05-12 21:11 ` [PATCH v3 8/8] net: stmmac: dwmac-meson8b: add support for the RX delay configuration Martin Blumenstingl
2020-05-12 21:11 ` Martin Blumenstingl
2020-05-12 21:11 ` Martin Blumenstingl
2020-05-13 19:23 ` [PATCH v3 0/8] dwmac-meson8b Ethernet " David Miller
2020-05-13 19:23 ` David Miller
2020-05-13 19:23 ` David Miller
2020-07-07 18:51 ` patchwork-bot+linux-amlogic
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